The Waterrun Weather Forecast
- 17
- 21
Mostly clear
- 17
- 23
Becoming windy. Mostly sunny
- 18
- 30
Mostly sunny
- 19
- 22
Mostly sunny
- 19
- 36
Becoming windy. Mostly sunny
- 19
- 22
Possible shower
- 16
- 21
Shower or two
Today 18 Oct Sydney
Partly cloudy. Winds easterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Easterly 10 to 15 knots, reaching up to 20 knots north of Point Perpendicular during the afternoon and evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres north of Point Perpendicular by early evening.
- 1st Swell
- Southerly around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- The winds are south to southeasterly along the northern half of the coast and east to southeasterly along the southern half today with a high pressure system moving through western and southern New South Wales and a low pressure trough over the state's northeast. On Sunday, the winds tend southeast to northeasterly along the northern coast and gusty north to northeasterly along central and southern parts of the coast as the trough weakens and the high moves over the Tasman Sea. The next trough will bring a southerly change to the southern coast late Monday, reaching central parts of the coast Tuesday morning, before weakening late Tuesday.
The Waterrun Temperature Statistics View More
October Temperature
Sydney Airport (17km)
Lowest 4 October, 2025
13.2 °CAverage October
21.6 °CHighest 12 October, 2025
32.8 °C
Climate (2020–Present)
Sydney Airport (17km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
18.6 °CAverage High 2020–2025
23.3 °C